Domestic Company
HOKKAIDO GEPRO
IWASAKI
ELECTRONICS GIKEN
IWATE NARISHO
NIIGATA YOSHIYA
KANAI
NAGANO ITOH
NAGOYA SANKO Co., Ltd.
KONDO INSTRUMENTS
SHIKOKU DAISOKU Co., Ltd.
KYUSHU MARUTANI SHIKO, Ltd.
OKINAWA BUNNKYO KAGAKUKIKI
Overseas Company
KOREA DONG AH TESTING MACHINE
CHINA BEIJING BRILLIANT SUN TECHNOLOGY CO., LTD.
INDIA HEICO
ISLAMIC REPUBLIC OF IRAN PARDISAN SOIL STRUCTURE 
TURKEY BESMAK
NORWAY GEONOR A/S
AUSTRALIA ICT INTERNATIONAL PTY LTD